[INFO] fetching crate xot 0.17.0...
[INFO] checking xot-0.17.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate xot 0.17.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate xot 0.17.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xot 0.17.0
[INFO] finished tweaking crates.io crate xot 0.17.0
[INFO] tweaked toml for crates.io crate xot 0.17.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 78 packages
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding rstest v0.16.0 (latest: v0.18.2)
[INFO] [stderr]       Adding rstest_macros v0.16.0 (latest: v0.18.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded next-gen-proc_macros v0.1.1
[INFO] [stderr]   Downloaded unwind_safe v0.1.0
[INFO] [stderr]   Downloaded xhtmlchardet v2.2.0
[INFO] [stderr]   Downloaded indextree v4.6.1
[INFO] [stderr]   Downloaded next-gen v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5564557c7a195ed64099730876f15e3d49550b8839e0556242191641c298e57
[INFO] running `Command { std: "docker" "start" "-a" "b5564557c7a195ed64099730876f15e3d49550b8839e0556242191641c298e57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5564557c7a195ed64099730876f15e3d49550b8839e0556242191641c298e57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5564557c7a195ed64099730876f15e3d49550b8839e0556242191641c298e57", kill_on_drop: false }`
[INFO] [stdout] b5564557c7a195ed64099730876f15e3d49550b8839e0556242191641c298e57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38d6b7307bf75daae11d570fc330e88a8c33b5aa315b2d65ef05c5fc9dd089fa
[INFO] running `Command { std: "docker" "start" "-a" "38d6b7307bf75daae11d570fc330e88a8c33b5aa315b2d65ef05c5fc9dd089fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking unwind_safe v0.1.0
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking indextree v4.6.1
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking similar v2.5.0
[INFO] [stderr]     Checking xhtmlchardet v2.2.0
[INFO] [stderr]     Checking xmlparser v0.13.6
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rstest_macros v0.16.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking insta v1.38.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling next-gen-proc_macros v0.1.1
[INFO] [stderr]     Checking next-gen v0.1.1
[INFO] [stderr]     Checking xot v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rstest v0.16.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.62s
[INFO] running `Command { std: "docker" "inspect" "38d6b7307bf75daae11d570fc330e88a8c33b5aa315b2d65ef05c5fc9dd089fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d6b7307bf75daae11d570fc330e88a8c33b5aa315b2d65ef05c5fc9dd089fa", kill_on_drop: false }`
[INFO] [stdout] 38d6b7307bf75daae11d570fc330e88a8c33b5aa315b2d65ef05c5fc9dd089fa
[INFO] checking xot-0.17.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate xot 0.17.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate xot 0.17.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xot 0.17.0
[INFO] finished tweaking crates.io crate xot 0.17.0
[INFO] tweaked toml for crates.io crate xot 0.17.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da4b4b0e5a21deb2c7e697bad669df0d37bf6d9d971a6cdc2089c0059c61d172
[INFO] running `Command { std: "docker" "start" "-a" "da4b4b0e5a21deb2c7e697bad669df0d37bf6d9d971a6cdc2089c0059c61d172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da4b4b0e5a21deb2c7e697bad669df0d37bf6d9d971a6cdc2089c0059c61d172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da4b4b0e5a21deb2c7e697bad669df0d37bf6d9d971a6cdc2089c0059c61d172", kill_on_drop: false }`
[INFO] [stdout] da4b4b0e5a21deb2c7e697bad669df0d37bf6d9d971a6cdc2089c0059c61d172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c8967a7718a802fc060948deb6f7d7001e8e9e62372d4563a6c9f4afea964a4
[INFO] running `Command { std: "docker" "start" "-a" "8c8967a7718a802fc060948deb6f7d7001e8e9e62372d4563a6c9f4afea964a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking unwind_safe v0.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking similar v2.5.0
[INFO] [stderr]     Checking xmlparser v0.13.6
[INFO] [stderr]     Checking indextree v4.6.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking xhtmlchardet v2.2.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rstest_macros v0.16.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking insta v1.38.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling next-gen-proc_macros v0.1.1
[INFO] [stderr]     Checking next-gen v0.1.1
[INFO] [stderr]     Checking xot v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rstest v0.16.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.45s
[INFO] running `Command { std: "docker" "inspect" "8c8967a7718a802fc060948deb6f7d7001e8e9e62372d4563a6c9f4afea964a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c8967a7718a802fc060948deb6f7d7001e8e9e62372d4563a6c9f4afea964a4", kill_on_drop: false }`
[INFO] [stdout] 8c8967a7718a802fc060948deb6f7d7001e8e9e62372d4563a6c9f4afea964a4